Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 393cfad5da4a5580132e12c88580874fa7162d31974154eda86303c4c5022db8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^